Fire Alarm Collection

Wheelock AH-24

Manufacturer

Wheelock

Model

AH-24

Device type

Electronic horn

Voltage

24 VDC

Notes

Removed from 1616 P Street NW in Washington DC during a fire alarm upgrade in 2012, where all of the audible notification appliances, previously a combination of Wheelock AH and NS horns, were replaced with System Sensor bells and Wheelock RSSP strobes. See "New fire alarms at work… again…" in the Journal for more details.